<?php

/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */
/**
 * Smarty truncate modifier plugin
 *
 * Type:     modifier<br>
 * Name:     truncate<br>
 * Purpose:  Truncate a string to a certain length if necessary,
 *           optionally splitting in the middle of a word, and
 *           appending the $etc string or inserting $etc into the middle.
 * @link http://smarty.php.net/manual/en/language.modifier.truncate.php
 *          truncate (Smarty online manual)
 * @author   Monte Ohrt <monte at ohrt dot com>
 * @param string
 * @param integer
 * @param string
 * @param boolean
 * @param boolean
 * @return string
 */
function smarty_modifier_truncate($string, $length = 80, $etc = '...', $break_words = false, $middle = false) {
	if($length == 0)
		return '';
	if(strlen($string) > $length) {
		$length -= min($length, strlen($etc));
		if(! $break_words && ! $middle) {
			$string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length + 1));
		}
		if(! $middle) {
			return substr($string, 0, $length) . $etc;
		} else {
			return substr($string, 0, $length / 2) . $etc . substr($string, - $length / 2);
		}
	} else {
		return $string;
	}
}
/* vim: set expandtab: */
?>
